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2022 Denali 6.2 Oil Consumption Test
I believe they have a known issue. At 25,000 miles, my 2022 High Country Tahoe required a full quart at 3k miles past the oil change. It happened again at 28,000 miles and we initiated an oil consumption test. During the test, in another 3,300 miles, I was down to the bottom of the dipstick and...- alice w
- Post #10
- Forum: Engine & Drivetrain
